The ST-1MLAR2 and 1MLBR2 is a high sensitivity NPN silicon phototransistor mounted in a TO-18 Type header with black epoxy encapsulation.
With daylight filter the phototransistor is sensitive only to infrared rays.

FEATUREs
ㆍ Wide angular response
ㆍ Relatively low-cost against metal can package
ㆍ Low profile package
ㆍ With daylight filter

APPLICATIONs
ㆍ Remote control sensors
ㆍ Card readers
ㆍ Optical switches